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GB 50300-2013: Unified standard for constructional quality acceptance of building engineering
GB 50300-2013
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC
P GB 50300-2013
Unified Acceptance Standard for Building
Construction Quality
ISSUED ON. NOVEMBER 1, 2013
IMPLEMENTED ON. JUNE 1, 2014
Issued by. Ministry of Housing and Urban-Rural Development (MOHURD);
General Administration of Quality Supervision, Inspection and
Quarantine (AQSIQ) of the People’s Republic of China.
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Unified Acceptance Standard for Building
Construction Quality
Chief Development Department. Ministry of Housing and Urban-rural Development of
the People's Republic of China
Approval Department. Ministry of Housing and Urban-rural Development of the People's
Republic of China
Implementation Date. June 1, 2014
China Architecture and Building Press
Beijing 2013
Announcement of Ministry of Housing and Urban-Rural
Development of the People's Republic of China
No. 193
Announcement of the Ministry of Housing and Urban-Rural
Development on Publishing the National Standard of "Unified
Acceptance Standard for Building Construction Quality"
"Unified Acceptance Standard for Building Construction Quality" has been approved as a
national standard with a serial number of GB 50300-2013, which will be implemented on
June 1, 2014. Articles 5.0.8 and 6.0.6 of the Standard are compulsory and must be enforced
strictly. The original "Unified Acceptance Standard for Building Construction Quality" (GB
50300 -2001) shall be abolished simultaneously.
Authorized by the Standard Rating Research Institute of our ministry, this Standard is
published and distributed by China Architecture and Building Press.
Ministry of Housing and Urban-Rural Development of the People's Republic of China
November 1, 2013
Table of Contents
Foreword ... 5 
1 General Provisions ... 8 
2 Terms ... 8 
3 Basic Requirements ... 10 
4 Division of Acceptance of Building Construction Quality ... 13 
5 Acceptance of Building Construction Quality ... 14 
6 Procedure and Organization of Acceptance of Building Construction Quality ... 16 
Appendix A Records of Quality Management Inspection in Construction Site ... 18 
Appendix B Division of Part and Sub-item Projects ... 19 
Appendix C Division of Outdoor Projects ... 27 
Appendix D Inspecting Determination of Normal Single and Double Sampling for
General Item ... 28 
Appendix E Records of Inspection Lots for Quality Acceptance ... 29 
Appendix F Records of Sub-item Projects for Quality Acceptance ... 30 
Appendix G Records of Part Projects for Quality Acceptance ... 31 
Appendix H Records of Unit Project for Quality Completion Acceptance ... 32 
Explanation of Wording in This Standard ... 42 
Foreword
According to the requirements of the document "Notice on Printing and Publishing
'Development and Revision Plan of Building Construction Standards and Specifications in
2007 (first batch)'" (Jian Biao [2007] No. 125) issued by the former Ministry of Construction,
this Standard is formulated jointly by the China Academy of Building Research and
organizations concerned, on the basis of the revised former "Unified Acceptance Standard for
Building Construction Quality" (GB 50300-2001).
During the process of revising this Standard, the drafting group supplemented and
improved the former standard by conducting extensive investigations and studies, earnestly
summarizing the practical experience and allowing for the development requirements of
building work field, and reviewed and finalized this Standard on basis of widely soliciting for
opinions.
This Standard totally consists of 6 chapters and 8 appendixes with its main technical
contents including General Provisions, Terms, Basic Requirements, Division of Acceptance of
Building Construction Quality, Acceptance of Building Construction Quality, Procedure and
Organization of Acceptance of Building Construction Quality, etc.
The main changes of this revision include.
1 The requirement that the sampling re-inspection and test quantity may be
appropriately adjusted if the conditions are met was added.
2 The requirement for laying down specific acceptance requirements was added;
3 The required minimum sampling quantity for inspection lot was added;
4 Part project of building energy saving was added and so was sub-part project, e.g.
aluminum structure and ground-source heat pump system;
5 The division of the sub-item project in part projects like main structure and building
decoration was modified;
6 The signal and double sampling determination methods for normal inspection in the
sampling scheme by attributes were added;
7 The requirement for pre- acceptance at completion of works was added;
8 The requirement that the investigation unit shall participate in unit project acceptance
was added;
9 The requirement that appropriate entity inspection or sampling test shall be carried
out if construction quality control data are unavailable was added.
10 The requirement that inspection lot acceptance shall be provided with original
record of site acceptance inspection.
The provision(s) printed in bold type is (are) compulsory one (ones) and must be
enforced strictly.
Ministry of Housing and Urban-Rural Development is in charge of the administration of
this Standard and the interpretation of the compulsory provisions. China Academy of Building
Research is responsible for the explanation of specific technical contents. All relevant units
are kindly requested to sum up and accumulate your experiences in actual practices during the
process of implementing this Standard. The relevant opinions and advices, whenever
necessary, can be posted or passed on to China Academy of Building Research (Address.
No.30 North 3rd Ring East Road, Chaoyang District, Beijing; Postal code. 100013; E-mail.
GB 50300 @ 163. com), for future reference in case of revision.
Chief development organization.
China Academy of Building Research
Participating development organizations.
Beijing Central Station for Supervision of Construction Engineering Safety Quality
China Xinxing Corporation (Group)
Beijing Construction Project Management Association
Beijing Urban Construction Group Co., Ltd.
Shenzhen Central Station for Supervision and Inspection of Construction
Engineering Quality
Shenzhen Keyuan Construction Group Co., Ltd.
Zhejiang Baoye Construction Group Co., Ltd.
National Centre for Quality Supervision and Test of Building Engineering
Tongji Architectural Design (Group) Co., Ltd. (TJAD)
Chongqing Institute of Building Research
Financial Street Holding Co., Ltd.
Unified Acceptance Standard for Building
Construction Quality
1 General Provisions
1.0.1 This Standard is prepared to strengthen the construction quality management, unify
the construction quality acceptance of building work and guarantee the work quality.
1.0.2 This standard is applicable to the acceptance of building construction quality and
serves as unified criteria for laying down the acceptance specifications of various construction
disciplines.
1.0.3 The acceptance of building construction quality shall not only comply with this
Standard but the current relevant standards of the nation.
2 Terms
2.0.1 Building work
It refers to the work entity formed through construction of various buildings and their
auxiliary facilities, and installation of their supporting systems like cabling, piping and M and E
equipment.
2.0.2 Tes...